3. Hundreds of people laid ______ to the President Palace,
protesting the sharp increase of hosing prize.
(A)staple (B)spire (C)spectrum (D)siege
不晓得"hosing prize"是什么意思?
28.Information and communication technologies provide an
alternative ___ the environmental and economic nightmare.
(A)to (B)in (C)for (D)of
我以为provide后面要跟for 后面是名词啊 为什么要选(A)呢?
32.We should (A)pay attention to (B)the short of water
(C)before the dry season (D)comes.
the short of 是要改成 the shortage of才对吗?
34.He (A)claims that he (B)tells (C)my fortune by (D)reading my palm.
(B)的tells应改成told还是has told呢?
39.Our students, raised during an era of (A)heightened
environmental concerns, (B)having initiated many projects
geared (C)toward making the community (D)itself a better place.
(B)的having要改成have是吗?
有劳板上高手们解惑 感谢

3. 应该是误植, 推测本来可能是housing price28. provide sth for "sb"； alternative "to" sth:表示某物的替代品；依本句语意，选C不太合理

32. the 名词 shortage 短缺 这样改没错34. told或has told都可 that子句的时间比主要子句更早39. raised...concern是主词的形容词子句 have才是动词